LTC4010CFE datasheet(7/24 Pages) LINER

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LTC4010

4010fb

Typical perForMance characTerisTics

TEMPERATURE (°C)

–50

400

450

500

550

600

–30

–10

4010 G21

TEMPERATURE (°C)

–50 –30

2.8

3.0

3.3

–10

4010 G22

2.9

3.2

3.1

TEMPERATURE (°C)

–50

210

230

270

4010 G23

190

170

–30 –10

150

130

250

TEMPERATURE (°C)

–50 –30

4.5

4.9

5.5

–10

4010 G24

4.7

5.3

5.1

NO LOAD

TEMPERATURE (°C)

–50

–40

–35

–30

4010 G25

–45

–50

–30

–10

–55

–60

INTVDD Voltage

INTVDD Short-Circuit Current

Charge Enable Threshold

Voltage (VCC – BAT)

Thermistor Disable Threshold

Voltage

Pause Threshold Voltage

pin FuncTions

FAULT (Pin 1): Active-Low Fault Indicator Output. The

LTC4010 indicates various battery and internal fault condi-

tions by connecting this pin to GND. Refer to the Operation

and Applications Information sections for further details.

This output is capable of driving an LED and should be

left floating if not used. FAULT is an open-drain output to

GND with an operating voltage range of GND to VCC.

CHRG (Pin 2): Active-Low Charge Indicator Output. The

LTC4010 indicates it is providing charge to the battery by

connecting this pin to GND. Refer to the Operation and

Applications Information sections for further details. This

output is capable of driving an LED and should be left

floating if not used. CHRG is an open-drain output to GND

with an operating voltage range of GND to VCC.

CHEM (Pin 3): Battery Chemistry Selection Input. This

pin should be wired to GND to select NiMH fast charge

termination parameters. If a voltage greater than 2.85V is

applied to this pin, or it is left floating, NiCd parameters

are used. Refer to the Applications Information section for

further details. Operating voltage range is GND to 3.3V.

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